Applegate, Katherine. <br/><br/>
The threat / 
K.A. Applegate. 
 - New York :  Scholastic,  c1998. 
 - 158 p. ;  20 cm. 
 - Animorphs ;  #21 .
 - Applegate, Katherine.  Animorphs ;  #21. .
<br/><br/> "An Apple paperback." 
<br/><br/> Christian Library 
<br/><br/> David, the newest Animorph, is not what he seems to be. 
<br/><br/> 5.0  Follett Library Resources  3-6 
<br/><br/><label>ISBN: </label>0590762540 (pbk.) 0329081497 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extraterrestrial beings--Fiction.<br/>Science fiction.<br/>Extraterrestrial beings--Fiction.<br/>Science fiction.
<br/><br/><label>Dewey Class. No.: </label>[Fic]